From: Biju Das <biju.das.jz@bp.renesas.com>

Add RZ/G3E RSCI support for FIFO and non-FIFO mode. RSCI IP found on
RZ/G3E SoC is similar to one on RZ/T2H, but has 32-stage fifo. RZ/G3E has
6 clocks (5 module clocks + 1 external clock) compared to 3 clocks
(2 module clocks + 1 external clock) on RZ/T2H, and it has multiple
resets. Add support for the hardware flow control.

This patch series depend upon [1]
[1] https://lore.kernel.org/all/20251114101350.106699-1-biju.das.jz@bp.renesas.com/

v2->v3:
 * Dropped 1st and 3rd items from clk-names and added minItems for the
   range for the binding patch.
 * Added minItems for clk and clk-names for RZ/T2H as the range is 2-3
 * Added maxItems for clk and clk-names for RZ/G3E as the range is 5-6
 * Retained the tag as it is trivial change.
 * Updated dev_err_probe() in sci_init_clocks() as it fits in 100-column
   limit.
 * Dropped cpu_relax() from rsci_finish_console_write() and added a
   comment.
 * Added sci_is_rsci_fifo_type() helper for reuse in probe() and remove().
v1->v2:
 * Updated commit message for patch#1,#3,#9
 * Added resets:false for non RZ/G3E SoCs in bindings.
 * Increased line limit for error messages to 100-column limit for patch#3
 * Updated multiline comment to fit into single line.
 * Updated set_termios() for getting baud_rate()

Biju Das (13):
  dt-bindings: serial: renesas,rsci: Document RZ/G3E support
  serial: rsci: Drop rsci_clear_CFC()
  serial: sh-sci: Drop extra lines
  serial: rsci: Drop unused macro DCR
  serial: rsci: Drop unused TDR register
  serial: sh-sci: Use devm_reset_control_array_get_exclusive()
  serial: sh-sci: Add RSCI_PORT_{SCI,SCIF} port IDs
  serial: sh-sci: Add sci_is_rsci_type()
  serial: sh-sci: Add support for RZ/G3E RSCI clks
  serial: sh-sci: Make sci_scbrr_calc() public
  serial: sh-sci: Add finish_console_write() callback
  serial: sh-sci: Add support for RZ/G3E RSCI SCIF
  serial: sh-sci: Add support for RZ/G3E RSCI SCI

 .../bindings/serial/renesas,rsci.yaml         |  85 +++-
 drivers/tty/serial/rsci.c                     | 412 +++++++++++++++---
 drivers/tty/serial/rsci.h                     |   2 +
 drivers/tty/serial/sh-sci-common.h            |   9 +
 drivers/tty/serial/sh-sci.c                   |  72 ++-
 5 files changed, 496 insertions(+), 84 deletions(-)

-- 
2.43.0